There are
3,067 mi
from Walnut Creek, CA to Cranston, RI
That's the driving distance. It would take 2 days 6 hours to go from Walnut Creek, California to Cranston, Rhode Island.
The flight distance (direct flight from Walnut Creek, CA to Cranston, RI) is 2,660.28 mi.
3,067 mi = 4,935.93 kms